212332100222 has 64 divisors (see below), whose sum is σ = 357588202176. Its totient is φ = 93769200000.

The previous prime is 212332100209. The next prime is 212332100291. The reversal of 212332100222 is 222001233212.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 212332100194 and 212332100203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504351572 + ... + 504351992.

It is an arithmetic number, because the mean of its divisors is an integer number (5587315659).

Almost surely, 2^212332100222 is an apocalyptic number.

212332100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212332100222 is a deficient number, since it is larger than the sum of its proper divisors (145256101954).

212332100222 is an equidigital number, since it uses as much as digits as its factorization.

212332100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212332100222 its reverse (222001233212), we get a palindrome (434333333434).

The spelling of 212332100222 in words is "two hundred twelve billion, three hundred thirty-two million, one hundred thousand, two hundred twenty-two".